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Better LEDs for surgery

Better LEDs for surgery

ID: F1512-09

Solid-state illumination utilizing LEDs has taken a major market share from standard fluorescent lighting in current years. LEDs provide higher power effectiveness and rapid start-up at a reasonable expense. However, poor color making resulting in a bluish production can be unpleasant, stressful and tiring for the eyes. Whenever used for medical lights, they can impair the capability to discern skin, structure and organ details, impacting the quality of surgery. This brand new task sought major improvements in LED-based lighting with a key target being the health sector. Scientists focused on increasing the efficiency, brightness and colour of a health luminaire (total illumination unit) while making sure that it can be disinfected. Efficiency depends on LED selection, colour mixing, the electronic driving circuitry and the thermal design. An advanced lighting system that combines light from various LED sources to create near-perfect color rendition across the complete noticeable range at extremely large efficiency has been created. Scientists showcased the technology in two demonstrators: a sleep mind light and an examination light. The sleep light has controllable color temperature to match the normal circadian rhythms of day and evening. It comes with a committed programmer, but can also be programmed and managed from a smartphone. The examination light is equipped with five color settings ranging from cold to hot white light. The high R9 (saturated red) colour rendition allows greater resolution of tissue distinctions for surgical procedures, whereas the cold white environment aids general examinations and is particularly good for visualising veins, needed for safe and painless drawing of blood. The technology will significantly enhance the competitive position of related small and medium-sized enterprises (SMEs).